Multifunction 4-in-1 unit comprising air cooler, heater, humidifier and air purifier. Features 3-speed fan, adjustable airflow direction and timer. Refrigerant-free cooling by evaporating water, which can be enhanced by adding ice to the built-in ice drawer. Fan-assisted heating function with two settings. Air purification is achieved by negative ion generation and an activated carbon filter. Supplied with electronic remote control. Mounted on castors for manoeuvrability.